DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerPassenger compartment
Interior trunk access
Power moonroof (if so equipped)
Sun visors
Map lights
Rearview mirror. HomeLink Universal Transceiver
Glove box
Cup holders
Console box
Refer to the page number indicated in parentheses
for operating details. ...
Normal operating condition
Description
The majority of the audio concerns are the result of outside causes (bad CD,
electromagnetic interference, etc.).
NOISE
The following noise results from variations in field strength, such as fading
noise and multi-path noise, or external noise from trains and other sources.
It i ...
Key slot illumination
Description
Blinks when Intelligent Key insertion is required.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Check key slot illumination ("KEY SLOT ILLUMI") Active
Test mode.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-147,
"Wiring Diagram" or SEC-128, ...